Rubber and plastic granule cutting machine

Abstract

The utility model belongs to the technical field of grain cutting machines, and relates to a rubber and plastic grain cutting machine which comprises a supporting body, a hot-pressing roller, a material cutting assembly, a water mist cooling assembly, a sieve plate and cleaning devices oppositely installed on the two sides of the supporting body, and the hot-pressing roller, the material cutting assembly and the water mist cooling assembly are sequentially installed in the supporting body in the vertical direction. A discharging port is formed in the top of the supporting body, the hot pressing roller is located at the discharging port, the cutting assembly is located between the cleaning devices, and the sieve plate is located between the cutting assembly and the water mist cooling assembly and connected to the collecting box in a lap joint mode. Heat generated in the pelletizing process is mildly absorbed and taken away through the water mist cooling assembly, the phenomena of tool abrasion and adhesion of mechanical parts caused by high temperature are reduced, rubber and plastic raw materials are preliminarily machined and shaped before entering the material cutting assembly through the arrangement of the hot pressing roller, the raw materials can better adapt to the subsequent cutting process, and the production efficiency is improved. And the cleaning device is used for wiping the cutter, so that adhesion caused by incomplete cooling of the materials is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pelletizers, in particular to a rubber and plastic pelletizer. Background Art

[0002] Rubber and plastic is a general term for the rubber and plastic industries. They are all by-products of petroleum. They have the same source. However, in the process of making products, their physical properties are different and their uses are even more different. Pelletizing is an important link in the production process of rubber and plastic. Its purpose is to change the shape of raw materials, improve material density and performance; facilitate standardized packaging and storage of materials, extend shelf life, reduce transportation costs; improve the quality of pellets and promote sales.

[0003] Pelletizers often use high-speed rotating knives to impact rubber and plastic raw materials to break them at the impact point. Continuous impacts will also cause high temperatures to be generated at the blade of the knife. Rubber and plastic materials may also generate high heat and friction during the pelletizing process, causing wear and adhesion to the knives and mechanical parts, affecting the life and stability of the equipment. Existing pelletizers mostly use fans to continuously blow air to cool them. Since rubber and plastic particles are light in volume and easily deviate from the pelletizing path, they are not practical. Utility Model Content

[0004] In order to solve the problems of high temperature and adhesion generated in the existing pelletizing process, the utility model provides a rubber and plastic pelletizing machine.

[0005] The technical solution of the utility model is realized through the following scheme: a rubber and plastic pelletizer, comprising a supporting body, a hot pressing roller, a cutting assembly, a water mist cooling assembly, a sieve plate and a cleaning device relatively installed on both sides of the supporting body, wherein the hot pressing roller, the cutting assembly and the water mist cooling assembly are sequentially installed in the supporting body along the vertical direction, a discharge port is provided on the top of the supporting body, the hot pressing roller is located at the discharge port, the cutting assembly is located between the cleaning devices, the sieve plate is located between the cutting assembly and the water mist cooling assembly, and the sieve plate is overlapped on the material receiving box.

[0006] Through the above technical scheme, the water mist cooling component gently absorbs and takes away the heat generated in the pelletizing process, thereby reducing the tool temperature, reducing tool wear and adhesion of mechanical parts caused by high temperature. The setting of the hot pressing roller enables the rubber and plastic raw materials to be preliminarily processed and shaped before entering the cutting component, which helps the raw materials to better adapt to the subsequent cutting process and improve the efficiency and accuracy of pelletizing. The tool is wiped by the cleaning device, which reduces the adhesion caused by incomplete cooling of the material.

[0007] Preferably, the water mist cooling assembly comprises a cooling water tank, a plurality of water mist nozzles and a cooling water pump. The cooling water tank is located at the bottom of the supporting body. The cooling water tank is externally connected to a cooling water pump. The cooling water pump pipeline is connected to the plurality of water mist nozzles.

[0008] Preferably, a water injection port is provided on a side of the supporting body close to the water tank, a single water mist nozzle is installed on the discharge port, and the remaining water mist nozzles are located on both sides of the interior of the supporting body.

[0009] Through the above technical solution, the cooling water pump pressurizes the water in the cooling water tank and transports it to each water mist nozzle through a pipeline to form a fine water mist spray. The water mist cooling method can quickly absorb and take away the heat generated during the pelletizing process, effectively reduce the temperature of the tool and rubber and plastic materials, and prevent wear and adhesion caused by high temperature. The water mist covers the rubber and plastic surface and the cutting component surface to form a water film, thereby achieving a more uniform cooling effect and anti-adhesion effect.

[0010] Preferably, the cleaning device includes an electric slide, a telescopic cylinder and a brush. The electric slide is fixedly installed on the side of the supporting body. The telescopic cylinder is movably installed in the electric slide. The telescopic end of the telescopic cylinder is installed with a brush. The brush is attached to the cutting component through the telescopic cylinder.

[0011] Preferably, there are two hot pressing rollers, which are installed on the supporting body in sequence along the horizontal direction, and are both externally connected to a driving motor to drive the two hot pressing rollers to rotate inward relative to each other.

[0012] Preferably, the cutting assembly comprises a strip cutting roller and a pelletizing roller, the strip cutting roller is located between the pelletizing roller and the hot pressing roller, the cleaning device is located on both sides of the strip cutting roller, and the screen plate is located between the pelletizing roller and the water mist cooling assembly.

[0013] Preferably, the sieve plate is movably mounted in the supporting body via spring columns.

[0014] Through the above technical scheme, the rubber and plastic materials can be cut into strips first and then further cut into granules after hot pressing. The telescopic cylinder can adjust the position of the brush as needed to make it fit closely to the slitting roller for cleaning, and cooperate with the left and right movement of the electric slide to complete the all-round cleaning of the slitting roller. The brush can effectively remove the residues and impurities generated in the slitting process of the slitting roller and keep the slitting roller clean. The screen plate cooperates with the spring column to give it a certain buffering and vibration capacity. The rubber and plastic particles can quickly enter the receiving box through vibration, and some moisture adhering to the rubber and plastic particles can be controlled during vibration.

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. The utility model uses a water mist cooling component to gently absorb and take away the heat generated during the pelletizing process, thereby reducing the tool temperature, reducing tool wear and adhesion of mechanical parts caused by high temperature. The setting of the hot pressing roller allows the rubber and plastic raw materials to be preliminarily processed and shaped before entering the cutting component, which helps the raw materials to better adapt to the subsequent cutting process and improve the efficiency and accuracy of pelletizing. The tool is wiped by the cleaning device, which reduces adhesion caused by incomplete cooling of the material.

[0017] 2. The cooling water pump pressurizes the water in the cooling water tank and transports it to each water mist nozzle through the pipeline to form a fine water mist spray. The water mist cooling method can quickly absorb and take away the heat generated during the pelletizing process, effectively reduce the temperature of the tool and rubber and plastic materials, and prevent wear and adhesion caused by high temperature. The water mist covers the rubber and plastic surface and the cutting component surface to form a water film, thereby achieving a more uniform cooling effect and anti-adhesion effect.

[0018] 3. After hot pressing, the rubber and plastic materials can be cut into strips first and then further cut into granules. The telescopic cylinder can adjust the position of the brush as needed to make it fit closely to the slitting roller for cleaning. The electric slide moves left and right to complete the all-round cleaning of the slitting roller. The brush can effectively remove the residues and impurities generated during the slitting process of the slitting roller and keep the slitting roller clean. The screen plate is combined with the spring column to give it a certain buffering and vibration capacity. The rubber and plastic particles can quickly enter the receiving box through vibration, and some moisture adhering to the rubber and plastic particles can be controlled during vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model from a cross-sectional perspective;

[0020] Figure 2 yes Figure 1 A schematic diagram of the structure at A;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from a main viewing angle;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model from a rear viewing angle.

[0023] Explanation of the reference numerals in the accompanying drawings: 1. Support body; 2. Hot pressing roller; 3. Cutting assembly; 31. Strip cutting roller; 32. Pellet cutting roller; 4. Water mist cooling assembly; 41. Cooling water tank; 42. Water mist nozzle; 43. Cooling water pump; 5. Cleaning device; 51. Electric slide; 52. Telescopic cylinder; 53. Brush; 6. Screen plate; 7. Spring column; 8. Material collecting box; 9. Discharge port; 10. Water injection port. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. The present invention is further described in detail below in conjunction with the accompanying drawings.

[0026] A rubber and plastic pelletizing machine, such as Figure 1-Figure 4 As shown, it includes a supporting body 1, a hot pressing roller 2, a cutting assembly 3, a water mist cooling assembly 4, a sieve plate 6 and a cleaning device 5 relatively installed on both sides of the supporting body 1. The hot pressing roller 2, the cutting assembly 3 and the water mist cooling assembly 4 are sequentially installed in the supporting body 1 along the vertical direction. A discharge port 9 is provided on the top of the supporting body 1. The hot pressing roller 2 is located at the discharge port 9. The cutting assembly 3 is located between the cleaning device 5. The sieve plate 6 is located between the cutting assembly 3 and the water mist cooling assembly 4. The sieve plate 6 is overlapped on the material receiving box 8. The rubber and plastic raw materials are placed at the discharge port 9. There are two hot pressing rollers 2. The two hot pressing rollers 2 are sequentially installed on the supporting body 1 along the horizontal direction. The two hot pressing rollers 2 are both externally connected to a driving motor. The two hot pressing rollers 2 are driven to rotate inward relative to each other, and the two hot pressing rollers 2 are rolled inward to ensure that the rubber and plastic raw materials are evenly stressed during the hot pressing process, thereby achieving a smoother and more uniform hot pressing effect. The rubber and plastic raw materials are hot-pressed and flattened. Since the hot pressing rollers 2 and the cutting component 3 are arranged in a vertical direction, the flattened rubber and plastic raw materials directly enter the cutting device for cutting, which greatly shortens the production cycle and improves the overall production efficiency. The water mist cooling component 4 can effectively reduce the temperature of the material after hot pressing by spraying cooling water and intervening in time, and effectively reduce the high temperature generated in the subsequent processing process; the cleaning device 5 can effectively clean the rubber and plastic residues on the cutting component 3 to avoid affecting the equipment life and stability.

[0027] The water mist cooling assembly 4 includes a cooling water tank 41, a plurality of water mist nozzles 42 and a cooling water pump 43. The cooling water tank 41 is located at the bottom of the supporting body 1. The cooling water tank 41 is externally connected to a cooling water pump 43. The cooling water pump 43 is connected to a plurality of water mist nozzles 42 through a pipeline. The water mist nozzles 42 can generate fine water mist particles. These particles can be more evenly covered on the surface of the rubber and plastic raw materials and the surface of the cutting assembly 3 to form a water film, thereby achieving a more uniform cooling effect. Compared with direct flushing and blowing cooling, water mist cooling can more effectively reduce the particle temperature without affecting the material operation. Large-scale coverage can also effectively reduce the risk of local overheating. The quality problems caused by mist cooling are more gentle and help to extend the service life of the equipment. A water inlet 10 is opened on the side of the support body 1 close to the water tank, and a single water mist nozzle 42 is installed on the discharge port 9. The remaining water mist nozzles 42 are located on both sides of the support body 1. A single water mist nozzle 42 is installed on the discharge port 9 to complete the cooling of the hot pressing roller 2 to avoid a reduction in service life due to excessive temperature, and the surface of the rubber and plastic raw materials can also be cleaned. The remaining water mist nozzles 42 are located on both sides of the support body 1, which can ensure that the cooling water mist fully covers the working area inside the pelletizer and reduce various problems caused by overheating.

[0028] The cutting component 3 includes a strip cutting roller 31 and a pelletizing roller 32. The strip cutting roller 31 is located between the pelletizing roller 32 and the hot pressing roller 2. The cleaning device 5 is located on both sides of the strip cutting roller 31. The screen plate 6 is located between the pelletizing roller 32 and the water mist cooling component 4. The blade of the strip cutting roller 31 is in a vertical ring shape and is arranged in an array on the surface of the strip cutting roller 31. The blades of the two strip cutting rollers 31 are cross-parallel to each other for strip cutting. The blade of the pelletizing roller 32 is in a horizontal strip shape and is arranged in a ring array on the surface of the pelletizing roller 32 for pelletizing. The water mist cooling component 4 makes the blade and the roller body attached with a layer of water film to prevent the blade and the roller body from being damaged due to local overheating, and can also reduce the problem of material deformation or quality degradation caused by high temperature. Like the two hot pressing rollers 2, they all rotate inward relative to each other.

[0029] The sieve plate 6 is movably installed in the supporting body 1 through the spring column 7. A number of small water leakage holes are opened on the sieve plate 6. When the rubber and plastic raw materials are pelletized, they fall onto the sieve plate 6. The sieve plate 6 is compressed and rebounded due to the spring column 7 to knock off part of the moisture in the particles for recovery and roll to the receiving box 8 through vibration. The sieve plate 6 is at a 45-degree angle as a whole, and part of the moisture adhering to the rubber and plastic particles is controlled during vibration for recovery to reduce resource waste.

[0030] The cleaning device 5 includes an electric slide 51, a telescopic cylinder 52 and a brush 53. The electric slide 51 is fixedly installed on the side of the supporting body 1. The telescopic cylinder 52 is movably installed in the electric slide 51. The brush 53 is installed at the telescopic end of the telescopic cylinder 52. The brush 53 is attached to the cutting component 3 through the telescopic cylinder 52. The two brushes 53 are facing the two slitting rollers 31. When the raw material enters the slitting rollers 31 for slitting due to hot pressing, it is in the initial cooling stage. At this time, the blades of the slitting rollers 31 may adhere to some impurities when cutting the raw material. The brush 53 is used as a tool for directly contacting and cleaning the cutting component 3. Its soft and dense bristles can penetrate into the gaps and uneven surfaces to effectively remove chips and other impurities on the surface. Driven by the telescopic cylinder 52, the brush 53 can apply appropriate pressure to further enhance the cleaning effect, and cooperate with the electric slide 51 to sweep left and right to ensure that the entire surface of the slitting rollers 31 is clean and smooth, reduce wear and failure caused by impurity accumulation, thereby protecting the equipment and reducing maintenance costs.

[0031] The parts and equipment all adopt conventional models in the prior art, and the circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0032] Working principle: First, the staff puts the rubber and plastic raw materials into the discharge port 9, and further starts the hot pressing roller 2 to flatten the rubber and plastic raw materials. The flattened raw materials vertically enter the cutting roller 31. At the same time, the water mist cooling component 4 is started to spray cooling water mist to cool the roller and the rubber and plastic raw materials. After the raw materials are cut into strips, they enter the pelletizing roller 32 for pelletizing. The granulated rubber and plastic fall onto the screen plate 6, which is squeezed to produce vibration, completing the discharge and water control of the rubber and plastic pellets, and the impurities on the cutting roller 31 are cleaned by the cleaning device 5.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A rubber and plastic pelletizer, characterized in that: The invention comprises a supporting body (1), a hot pressing roller (2), a cutting assembly (3), a water mist cooling assembly (4), a sieve plate (6) and cleaning devices (5) relatively mounted on both sides of the supporting body (1); the hot pressing roller (2), the cutting assembly (3) and the water mist cooling assembly (4) are mounted in sequence in a vertical direction in the supporting body (1); a discharge port (9) is provided at the top of the supporting body (1); the hot pressing roller (2) is located at the discharge port (9); the cutting assembly (3) is located between the cleaning devices (5); the sieve plate (6) is located between the cutting assembly (3) and the water mist cooling assembly (4); and the sieve plate (6) is overlapped on a material receiving box (8).

2. A rubber and plastic pelletizer according to claim 1, characterized in that: The water mist cooling assembly (4) comprises a cooling water tank (41), a plurality of water mist nozzles (42) and a cooling water pump (43); the cooling water tank (41) is located at the bottom of the supporting body (1); the cooling water tank (41) is externally connected to a cooling water pump (43); and the cooling water pump (43) has a pipeline connected to the plurality of water mist nozzles (42).

3. A rubber and plastic pelletizer according to claim 2, characterized in that: A water injection port (10) is provided on a side of the support body (1) close to the water tank, a single water mist nozzle (42) is installed on the discharge port (9), and the remaining water mist nozzles (42) are located on both sides of the support body (1).

4. The rubber and plastic pelletizer according to claim 1, characterized in that: The cleaning device (5) comprises an electric slide (51), a telescopic cylinder (52) and a brush (53); the electric slide (51) is fixedly mounted on a side of the supporting body (1); the telescopic cylinder (52) is movably mounted in the electric slide (51); the brush (53) is mounted at the telescopic end of the telescopic cylinder (52); and the brush (53) is attached to the cutting assembly (3) via the telescopic cylinder (52).

5. The rubber and plastic pelletizer according to claim 1, characterized in that: There are two hot pressing rollers (2), which are mounted on the supporting body (1) in sequence along the horizontal direction, and the two hot pressing rollers (2) are both externally connected to a driving motor to drive the two hot pressing rollers (2) to rotate inward relative to each other.

6. A rubber and plastic pelletizer according to claim 5, characterized in that: The cutting assembly (3) comprises a strip cutting roller (31) and a pelletizing roller (32), the strip cutting roller (31) being located between the pelletizing roller (32) and the hot pressing roller (2), the cleaning device (5) being located on both sides of the strip cutting roller (31), and the screen plate (6) being located between the pelletizing roller (32) and the water mist cooling assembly (4).

7. The rubber and plastic pelletizer according to claim 1, characterized in that: The sieve plate (6) is movably mounted in the supporting body (1) via a spring column (7).

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